Set top box



FIG. 1 is a front perspective view of the set top box;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is another side view thereof.

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in FIGS. 1–7 represent environmental subject matter and form no part of the claimed design. 

We claim the ornamental design for a set top box, as shown and described. 